Time to Make Major Defense Cuts and Re-prioritize Defense Policy

Someone please explain what national defense or security threats are out there to warrant the continued spending of more on the military than all our perceived enemies combined?

Source of chart (which appears in the first comment, below, since OLive does not allow the posting of photos from this site): Dina Rasor, Truthout (http://truth-out.org/opinion/item/23658-your-must-do-assignment-for-2014-read-this-chart-and-pass-it-on)